Anti-counterfeiting fingerprint
Grant
US12581957B2
Kind: B2
Mar 17, 2026
Assignee
RAYTHEON COMPANY
Inventors
Patrick M. Sain, William Paul Posey
Abstract
A physically unclonable function (PUF) device includes capacitor array couple to an electronic device. The capacitor array includes a plurality of parallel conductive elements coupled to a dielectric material having a spatially varying permittivity to define array of randomly valued capacitors.
CPC Classifications
H01L 23/573
H01L 23/481
H01L 23/5223
H01L 23/5226
H04L 9/3278
H04L 63/0876
G06F 21/73
Filing Date
2021-04-19
Application No.
17234402
Claims
6